CVE-2026-107295
- Source
- https://cve.org/CVERecord?id=CVE-2026-107295
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-107295.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-107295
- Aliases
- Downstream
- Published
- 2026-10-08T17:02:36Z
- Modified
- 2026-10-28T02:30:37Z
- Severity
-
- 7.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L CVSS Calculator
- Summary
- `pydantic-ai-slim` web UI `/api/chat` accepts browser-simple cross-origin requests that can trigger agent tool execution
- Details
-
Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 1.34.0 until 1.107.4 and 2.28.0, the Agent.to_web() and clai web development chat endpoint has missing request content-type validation. A website visited by a developer can submit a browser-compatible request to a loopback-hosted chat server, causing the served agent to run and execute tools with the privileges and credentials of the local process; client-relayed approval decisions also leave requires_approval=True tools exposed. Binding to localhost does not prevent a browser page from reaching the loopback address. This issue is fixed in versions 1.107.4 and 2.28.0.
- Database specific
{ "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-352" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107295.json" }- References
-
- https://github.com/pydantic/pydantic-ai/releases/tag/v1.107.4
- https://github.com/pydantic/pydantic-ai/releases/tag/v2.28.0
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107295.json
- https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-h4xc-3qfq-jf93
- https://nvd.nist.gov/vuln/detail/CVE-2026-107295
- https://github.com/pydantic/pydantic-ai/commit/d2690201a1834005d382dbf5c47e0ed94ef8bf46
- https://github.com/pydantic/pydantic-ai/commit/dd2abbdfa029c9ad138e7cc0edd2eaeaf9ed69c0
- https://github.com/pydantic/pydantic-ai/pull/7382
- https://github.com/pydantic/pydantic-ai/pull/7383
Affected packages
Git / github.com/pydantic/pydantic-ai
Affected ranges
- Type
- GIT
- Repo
- https://github.com/pydantic/pydantic-ai
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "cpe": "cpe:2.3:a:pydantic:pydantic_ai:*:*:*:*:*:python:*:*", "range": [ { "introduced": "1.34.0" }, { "fixed": "1.107.4" } ], "source": "CPE_RANGE" }, { "cpe": "cpe:2.3:a:pydantic:pydantic_ai:*:-:*:*:*:python:*:*", "range": [ { "introduced": "2.0.0" }, { "fixed": "2.28.0" } ], "source": "CPE_RANGE" }, { "range": [ { "fixed": "d2690201a1834005d382dbf5c47e0ed94ef8bf46" } ], "source": "REFERENCES_COMMIT" }, { "range": [ { "fixed": "dd2abbdfa029c9ad138e7cc0edd2eaeaf9ed69c0" } ], "source": "REFERENCES_COMMIT" }, { "original_tag": "v1.107.4", "range": [ { "fixed": "f275d5c4c75d9cc96131800099619c5027b62873" } ], "source": "REFERENCES_TAG" }, { "original_tag": "v2.28.0", "range": [ { "fixed": "4096ee8e16353d4252b2a9605b8732f2d0519953" } ], "source": "REFERENCES_TAG" } ] }
Affected versions
v1.*
v1.100.0
v1.101.0
v1.102.0
v1.103.0
v1.104.0
v1.105.0
v1.106.0
v1.107.0
v1.107.1
v1.107.2
v1.34.0
v1.35.0
v1.36.0
v1.37.0
v1.38.0
v1.39.0
v1.39.1
v1.40.0
v1.41.0
v1.42.0
v1.43.0
v1.44.0
v1.45.0
v1.46.0
v1.47.0
v1.48.0
v1.49.0
v1.50.0
v1.51.0
v1.52.0
v1.53.0
v1.54.0
v1.55.0
v1.56.0
v1.57.0
v1.58.0
v1.59.0
v1.60.0
v1.61.0
v1.62.0
v1.63.0
v1.64.0
v1.65.0
v1.66.0
v1.67.0
v1.68.0
v1.69.0
v1.70.0
v1.72.0
v1.73.0
v1.74.0
v1.75.0
v1.76.0
v1.77.0
v1.78.0
v1.79.0
v1.80.0
v1.81.0
v1.82.0
v1.83.0
v1.84.0
v1.84.1
v1.85.0
v1.85.1
v1.86.0
v1.86.1
v1.87.0
v1.88.0
v1.89.0
v1.89.1
v1.90.0
v1.91.0
v1.92.0
v1.93.0
v1.94.0
v1.95.0
v1.95.1
v1.96.0
v1.96.1
v1.97.0
v1.98.0
v1.99.0
v2.*
v2.0.0
v2.1.0
v2.10.0
v2.11.0
v2.12.0
v2.13.0
v2.14.0
v2.14.1
v2.15.0
v2.16.0
v2.17.0
v2.18.0
v2.19.0
v2.2.0
v2.20.0
v2.21.0
v2.22.0
v2.23.0
v2.24.0
v2.25.0
v2.26.0
v2.27.0
v2.27.1
v2.3.0
v2.4.0
v2.5.0
v2.5.1
v2.6.0
v2.7.0
v2.8.0
v2.9.0
v2.9.1